Home / 386,739.10-533,732.10-214,673.23

Finding the Fourth Proportional to 386,739.10, 533,732.10 and 214,673.23

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Solution

The fourth proportional to 386,739.10, 533,732.10 and 214,673.23 is: 296,266.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,739.10 : 533,732.10 = 214,673.23 : x
  2. Step 2: Convert to fraction form
    386,739.10/533,732.10 = 214,673.23/x
  3. Step 3: Cross multiply
    386,739.10x = 533,732.10 × 214,673.23
  4. Step 4: Simplify right side
    386,739.10x = 114,577,991,193.02
  5. Step 5: Solve for x
    x = 114,577,991,193.02/386,739.10
  6. Step 6: Final answer
    x = 296,266.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.